From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: Re: add "workload" traces for sin/exp/pow in binary32/64/128
Date: Wed, 5 Aug 2020 16:33:19 -0300 [thread overview]
Message-ID: <33759faf-f40b-5c0b-c251-962d6d09a441@linaro.org> (raw)
In-Reply-To: <mw3651fhua.fsf@tomate.loria.fr>
On 05/08/2020 08:33, Paul Zimmermann wrote:
> Hi,
>
> this patch adds workload traces for sin/exp/pow in binary32/64/128.
> In addition, it adds traces for sin in the largest binade for each
> format, this enables to measure cases where a huge argument reduction
> is needed. Here are the corresponding results of "make bench" on my
> i5-4590 workstation (x/y means that reciprocal throughput is x clock
> cycles, latency is y clock cycles):
>
> function binary32 binary64 binary128
> sin 19/50 40/76 2444/2555
> sinhuge 29/63 223/257 2619/2714
> exp 16/39 21/44 2784/2869
> pow 31/68 60/98 7740/7828
>
> Each trace is made of 1000 random numbers, generated with SageMath.
For ex-inputs did you extend the expf-inputs input or the values were
generated randomly? If the later I think the benchtest name should
reflect it.
Also, for sinf-inputs the workload 'workload-spec2017.wrf' name be
misleading.
next prev parent reply other threads:[~2020-08-05 19:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-05 11:33 Paul Zimmermann
2020-08-05 19:33 ` Adhemerval Zanella [this message]
2020-08-06 7:34 ` Paul Zimmermann
2020-08-25 16:05 ` Adhemerval Zanella
2020-08-26 8:06 ` Paul Zimmermann
2020-08-26 13:46 ` Adhemerval Zanella
2020-09-10 18:51 ` Adhemerval Zanella
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